Troubleshooting
Hose Hose
Hose
Heat Heat
Heat
System System
System
Beforeperforminganytroubleshootingprocedures:
1.RelievePressure.SeePressureReliefProcedure,page45.
2.TurnmainpowerswitchOFF.
3.Allowequipmenttocool.
Problem Problem
Problem
Cause Cause
Cause
Solution Solution
Solution
Ambienttemperatureistoocold.Relocatehosestoawarmerarea
orrecirculateheateduidthrough
thehose.
FTSfailedornotinstalledcorrectly.CheckFTS,seeCheckRTD
CablesandFTS,page69.
Lowsupplyvoltage.
Verifylinevoltage.Lowline
voltagesignicantlyreduces
poweravailabletothehoseheat
system,affectinglongerhose
lengths.
Hoseheatsbutheatsslower
thanusualoritdoesnotreach
temperature.
IfHoseResistanceModeis
enabled,thecalibrationfactormay
beinaccurate.
Re-calibratethehose.Followthe
CalibrationProcedure,page72.
AandBsetpointstoolow.IncreaseAandBsetpoints.
Hoseisdesignedtomaintain
temperature,nottoincreaseit.
Ambienttemperatureistoocold.IncreaseAandBsetpointsto
increaseuidtemperatureand
keepitsteady.
Flowtoohigh.Usesmallermixchamber.
Decreasepressure.
Hosewasnotfullypreheated.Waitforhosetoheattocorrect
temperaturebeforespraying.
Lowsupplyvoltage.
Verifylinevoltage.Lowline
voltagesignicantlyreduces
poweravailabletothehoseheat
system,affectinglongerhose
lengths.
Hosedoesnotmaintain
temperaturewhilespraying.
IfHoseResistanceModeis
enabled,thecalibrationfactormay
beinaccurate.
Re-calibratethehose.Followthe
CalibrationProcedure,page72.
40 333024S